Finding the Third Proportional to 2,451.38 and 5,130.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,451.38 : 5,130.56 = 5,130.56 : x
2. Step 2: Convert to fraction form
   2,451.38/5,130.56 = 5,130.56/x
3. Step 3: Cross multiply
   2,451.38x = 5,130.56 × 5,130.56
4. Step 4: Simplify right side
   2,451.38x = 26,322,671.57
5. Step 5: Solve for x
   x = 26,322,671.57/2,451.38
6. Step 6: Final answer
   x = 10,737.92